ANALYSIS OF TRAFFIC FLOW CHARACTERISTICS ON SIGNALIZED ARTERIALS

The characteristics of traffic flows on signalized arterials are examined within a cellular automaton microsimulation model. The model is used to analyze arterial throughput and travel times for given densities, coordination schemes, and signal spacings. A fundamental three-dimensional relationship is established between flow, density, and offsets for signalized arterials. In particular, it is shown that arterial throughput is dependent on offsets and that the constituent single-intersection limiting capacity, as determined by the saturation flow and the green splits, can be realized only under optimal coordination conditions for a limited range of densities on the arterial. This finding is a manifestation of the important role that signal coordination and, in fact, intelligent transportation systems in general play in the operation of urban street networks.

Language

  • English

Media Info

  • Features: Figures; References;
  • Pagination: p. 94-100
  • Monograph Title: TRAFFIC FLOW THEORY AND HIGHWAY CAPACITY AND QUALITY OF SERVICE 2004
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00983363
  • Record Type: Publication
  • ISBN: 030909478X
  • Files: TRIS, TRB, ATRI
  • Created Date: Dec 21 2004 12:00AM